Description:Product DescriptionNothing changes the way you see the world like High Definition², and no company does High Definition² like Opteka. In the professional setting, Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka. Since it fits right over your camera's existing lens system, a wide-angle converter affects the full zoom range of your camera's lens. A wide-angle converter increases your angle of view - scenes include moreA .45x wide-angle converter DOUBLES your angle of view, allowing you to get twice as much in the pictureHigh Definition² - 2 times the resolution of standard high definition lensesExclusive SureGrip composite material is used around the barrel. This material is exceptionally non-slip, yet soft and easy on your handsDigital Multi-Coated to reduce the appearance of lens flare and ghosting caused by reflectionsAdapter included